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Review
. 2019 Aug 1:175:72-106.
doi: 10.1016/j.ejmech.2019.04.057. Epub 2019 Apr 29.

Porphyrinoid photosensitizers mediated photodynamic inactivation against bacteria

Lukasz Sobotta  1 , Paulina Skupin-Mrugalska  2 , Jaroslaw Piskorz  2 , Jadwiga Mielcarek  2
Affiliations
Review

Porphyrinoid photosensitizers mediated photodynamic inactivation against bacteria

Lukasz Sobotta et al. Eur J Med Chem. .

Abstract

The multi-drug resistant bacteria have become a serious problem complicating therapies to such a degree that often the term "post-antibiotic era" is applied to describe the situation. The infections with methicillin-resistant S. aureus, vancomycin-resistant E. faecium, third generation cephalosporin-resistant E. coli, third generation cephalosporin-resistant K. pneumoniae and carbapenem-resistant P. aeruginosa have become commonplace. Thus, the new strategies of infection treatment have been searched for, and one of the approaches is based on photodynamic antimicrobial chemotherapy. Photodynamic protocols require the interaction of photosensitizer, molecular oxygen and light. The aim of this review is to provide a comprehensive overview of photodynamic antimicrobial chemotherapy by porphyrinoid photosensitizers. In the first part of the review information on the mechanism of photodynamic action and the mechanism of the bacteria resistance to the photodynamic technique were described. In the second one, it was described porphyrinoids photosensitizers like: porphyrins, chlorins and phthalocyanines useable in photodynamic bacteria inactivation.

Keywords: Bacteria photoinactivation; PACT; Photodynamic therapy; Photosensitizer.

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